What powers instruoptiikka.fi?

Last seen Aug 2026 · 14 technologies across 13 categories

CDN

Google Hosted Libraries
since Mar 2022

CMS

WordPress
since Apr 2019

Databases

MySQL
since Apr 2019

JavaScript libraries

jQuery v3.6.0
since Apr 2019
Slick
since Jul 2026

Miscellaneous

Open Graph
since Jul 2026

PaaS

Seravo
since Mar 2020

Performance

Priority Hints
since Sep 2023

Programming languages

PHP
since Apr 2019

Security

HSTS
since Jan 2023

SEO

Yoast SEO v28.1
since Jul 2026

UI frameworks

Bootstrap
since Jul 2026

Web servers

Nginx
since Apr 2019

Webmail

Microsoft 365
since Aug 2022

AI Crawlers

Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • Finland

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

1.53 / 10 · ranked #6,247,442 of all domains

7 referring domains · OpenPageRank

Core Web Vitals

LCP1.1 s
INP25 ms
CLS0
TTFB400 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Finnish
  • CDN: CDN
  • Weight: 22.4 MB · 48 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

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